Helmet



FIG. 1 is a top front perspective view of a first embodiment of a helmetof the new design;

FIG. 2 is a top plan view of the helmet of FIG. 1;

FIG. 3 is a front elevational view of the helmet of FIG. 1;

FIG. 4 is a rear elevational view of the helmet of FIG. 1;

FIG. 5 is a bottom plan view of the helmet of FIG. 1;

FIG. 6 is a right elevational view of the helmet of FIG. 1;

FIG. 7 is a left elevational view of the helmet of FIG. 1;

FIG. 8 is a top, front perspective view of a second embodiment thereof;

FIG. 9 is a top plan view of the helmet of FIG. 8;

FIG. 10 is a front elevational view of the helmet of FIG. 8;

FIG. 11 is a rear elevational view of the helmet of FIG. 8;

FIG. 12 is a bottom plan view of the helmet of FIG. 8;

FIG. 13 is a right elevational view of the helmet of FIG. 8;

FIG. 14 is a left elevational view of the helmet of FIG. 8;

FIG. 15 is a top, front perspective view of a third embodiment thereof;

FIG. 16 is a top plan view of the helmet of FIG. 15;

FIG. 17 is a front elevational view of the helmet of FIG. 15;

FIG. 18 is a rear elevational view of the helmet of FIG. 15;

FIG. 19 is a bottom plan view of the helmet of FIG. 15;

FIG. 20 is a right elevational view of the helmet of FIG. 15;

FIG. 21 is a left elevational view of the helmet of FIG. 15;

FIG. 22 is a top, front perspective view of a fourth embodiment thereof;

FIG. 23 is a top plan view of the helmet shell of FIG. 22;

FIG. 24 is a front elevational view of the helmet shell of FIG. 22;

FIG. 25 is a rear elevational view of the helmet shell of FIG. 22;

FIG. 26 is a bottom plan view of the helmet shell of FIG. 22;

FIG. 27 is a right elevational view of the helmet shell of FIG. 22;

FIG. 28 is a left elevational view of the helmet shell of FIG. 22;

FIG. 29 is a top, front perspective view of a fifth embodiment thereof;

FIG. 30 is a top plan view of the helmet shell of FIG. 20;

FIG. 31 is a front elevational view of the helmet shell of FIG. 29;

FIG. 32 is a rear elevational view of the helmet shell of FIG. 29;

FIG. 33 is a bottom plan view of the helmet shell of FIG. 29;

FIG. 34 is a right elevational view of the helmet shell of FIG. 29;

FIG. 35 is a left elevational view of the helmet shell of FIG. 29;

FIG. 36 is a top, front perspective view of a sixth embodiment thereof;

FIG. 37 is a top plan view of the helmet shell of FIG. 36;

FIG. 38 is a front elevational view of the helmet shell of FIG. 36;

FIG. 39 is a rear elevational view of the helmet shell of FIG. 36;

FIG. 40 is a bottom plan view of the helmet shell of FIG. 36;

FIG. 41 is a right elevational view of the helmet shell of FIG. 36; and,

FIG. 42 is a left elevational view of the helmet shell of FIG. 36.

The portions of the Figures shown in broken lines are for illustrativepurposes only and form no part of the claimed design.

CLAIM We claim the ornamental design for a helmet, as shown anddescribed.